BT Homehub 3 Type-B Firmware Update?

Ok, so I've been forced into using my HH3 again in order to get the IPTV channels working, as my Linksys E3200 that I had replaced it with doesn't handle IGMP apparently.

However, since the switch, I've noticed by broadband speeds going up and down like a yo-yo (rock solid with the Linksys). IN the course of trying to discover whether this was a known HH3 problem, I discover that the firmware on my HH3 appears to be rather out of date:

Re: BT Homehub 3 Type-B Firmware Update?

Don't know if it will resolve your speed issue but you can't force an update. You have to leave your router on 24/7 and it should do the update itself. This usually happens overnight. It is meant to happen fairly quickly but there is a recent post where the poster has had it switched on for 6 months and it still has not updated.